Here is the full list of all 21 Confess My Love achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
That's how you see me huh?
If you understand why I refused.
...Anything happened?
What were you about to say?
We shall focus on school works.
To be honest, I'm a lesbian.
Julie, let's go.
But we don't match.
I have a boyfriend already.
We can still be friends.
Do you have an interest in zodiac?
You don't have to speak it out.
Just leave me alone, please.
Have we ever met before?
...So you leaved.
But it doesn't even exist!
Come back! COME BACK!!
You love me, don't you?
What's wrong with you?!
Now you remember who hurt me?
Thank you for your cake, Mr. Who.